HR2172

HR2172 is a giant star in the constellation of Auriga.

HR2172 visual magnitude is 6.3. Because of its reltive faintness, HR2172 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR2172:

Color of HR2172 ⬤

Magnitude of HR2172 6.3

Class Giant

VISIBILITY RIGHT NOW HR2172 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 59°.

Celestial coordinates and finder chart of HR2172

HR2172 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2172 are provided in the following table:

Right Ascension J2000 06h 11m 45s

Declination J2000 +52° 38’ 49”

Galactic Longitude 161.29°

Galactic Latitude 15.63°

Constellation Auriga

The simplified sky map below shows the position of HR2172 in the sky:

Simplified finder chart for HR2172.

Visibility of HR2172 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR2172 is circumpolar and transits at 17:32 UTC (altitude: 88.8°)

Digitized Sky Survey image of HR2172

The image below is a photograph of HR2172 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR2172 is 0.011 arcsec per year in Right Ascension and -0.07 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2172. The red arrow shows the motion of HR2172 during the next 10000 years (1.83 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of HR2172 from the Sun and relative movement

HR2172 is distant 326.98 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 100.30 pc

Distance (light year) 326.98 ly

Heliocentric radial velocity 11 km/s

Proper Motion RA 0.011 arcsec/year

Proper Motion Dec -0.07 arcsec/year

Spectral properties of HR2172

HR2172 belongs to spectral class A5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 1.29

Spectral Type A5III

Color Index (B-V) 0.14

Temperature of HR2172 8658K

The red dot in the diagram below shows where HR2172 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2172. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2172

Henry Draper Catalogue HD42083

SAO Catalogue SAO25613

Hipparcos Catalogue HIP29404

Durchmusterung Catalogue BD+52 1041

How to support us

In Evidence

Other stars in Auriga